Refactor security-icon code to a more general form

chrome/browser/autocomplete/autocomplete_edit_view_mac.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_MAC_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
@@ skipping 78 matching lines @@
   virtual void OnBeforePossibleChange();
   virtual bool OnAfterPossibleChange();
   virtual gfx::NativeView GetNativeView() const;
 
   // Implement the AutocompleteTextFieldObserver interface.
   virtual void OnControlKeyChanged(bool pressed);
   virtual void OnPaste();
   virtual bool CanPasteAndGo();
   virtual int GetPasteActionStringId();
   virtual void OnPasteAndGo();
-  virtual void OnSecurityIconClicked();
   virtual void OnFrameChanged();
 
   // Helper functions for use from AutocompleteEditHelper Objective-C
   // class.
 
   // Returns true if |popup_view_| is open.
   bool IsPopupOpen() const;
 
   // Trivial wrappers forwarding to |model_| methods.
   void OnEscapeKeyPressed();
@@ skipping 81 matching lines @@
 
   // Tracking state before and after a possible change for reporting
   // to model_.
   NSRange selection_before_change_;
   std::wstring text_before_change_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteEditViewMac);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_MAC_H_